I bought four or five brayers several years ago and, so far, the only thing I've used them for is smoothing down glued items on my scrapbook pages.
I recently found a cool tutorial using an inked brayer (very lightly) on an embossed surface. COOL!
Brayer and Embossing Folder - YouTube
What are some of your favorite brayer techniques, uses, projects?
Have a link? Post it so the rest of us can learn and enjoy, too!